Delchia is a Vilnius-based experimental drone/doom metal project active since 2012, sculpting massive, sustained tones into slowly evolving compositions that test the boundaries of heaviness and patience alike. Their music demands total immersion, rewarding listeners who surrender to its glacial pace.

Denkenwald is an experimental doom metal band from Rivne, Ukraine, formed in 2021. The project pushes doom metal boundaries with experimental elements.

A progressive and experimental metal band from Vienna, Austria, formed in 2016 as a transformation of the earlier project Prometheus (2010). Their debut album 'Vienna Falling' appeared in March 2018, and the band has performed at Euroblast Festival, with their music characterized by shifting time signatures, alternating clean and harsh vocals, and dense layered arrangements.

Dirtpill is an experimental sludge metal band from Krasnoyarsk, Russia, formed in 2008. The project pushes sludge metal boundaries with experimental elements.

Doom Pig plays experimental death metal from Berlin, active since 2017 and approaching the genre with the irreverence and unpredictability that the city's avant-garde scene demands. Their absurdist name hints at a creative philosophy that refuses to treat even death metal's most sacred conventions with reverence.

Doubtsower is a one-person blackened and experimental doom metal project from Wales, formed in 2021 and releasing through UBAii, a sub-label of Unbidden Audio. Their catalog includes Asphyxiation of a Seasick Soul (2021), The Endless Shadow of Despicable Power (2022), and Nothing Reduced to Everything (2024).

Dragens Fange plays experimental black metal from Moscow, active since 2010 and whose Norse-derived name — meaning "the dragon's prisoner" — channels captivity and mythological menace into boundary-pushing compositions. Their experimental approach treats black metal as a foundation for sonic exploration.

Dream Projector is an experimental black metal project from Finland, active since 2014. They project dreamlike visions through experimental black metal.

Drutty is an experimental black/doom metal band from Kopřivnice, Czech Republic, active since 2009. Their album "Lašské bahno" reflects a deeply regional identity, combining imperfect noise rock textures with metal storytelling rooted in their Moravian-Silesian homeland.